Celtic have been the powerhouse of Scottish football for a while now, especially after the financial demise of title rivals, Rangers. Last year Celtic smashed it, winning the treble while going the full domestic season unbeaten. On Wednesday night they beat Kazakhstan champions Astana by five goals to nil in the Champions League qualifiers and more or less sealed their place in the group stages - they are now the only team still in Europe representing Scotland. But when will this dominance be challenged? Here are who I think are the main candidates to potentially knock Celtic off their throne over the next ten seasons or so.

RANGERS:The obvious one. The old Giants. Whether you class them as a new club or an old club, it's irrelevant. Rangers were liquidated in 2012 after going into administration. They essentially re-started after being sent to the fourth tier of Scottish Football and having the core of their squad dismantled. They faced a real challenge but were up to the task - they managed three promotions in four years! Now, in their second season back in the first division (they finished third year), Rangers will be looking to stop Celtic winning the league for the tenth time in a row.

Rangers have had a poor start to the season, though. They've already been knocked out of Europe by Luxembourg minnows Progres Niederkorn and lost 3-2 against Neil Lennon's Hibs at Ibrox. They will certainly be looking to bounce back and will be hoping that their marquee signings make a mark.

Bruno Alves brings great experience to the club off the back of winning Euro 2016 with Portugal last summer. Daniel Candeias is another one of Rangers' new signings, and he looks like he could be a real threat.

ABERDEEN:Having always been there or there abouts in Rangers absence, the Dons will really be hoping for a trophy sooner rather than later. After coming second in all of the domestic competitions last season, Aberdeen will be looking to win a major trophy this season.

Aberdeen are the last team to win a European trophy in Scotland (back in 1983). They have already been knocked out of the Europa League this season despite superb performances from some of their players including loanee Ryan Christie.

With promising additions to the squad this summer including Stevie May, Gary Mackay-Steven and, as I've already mentioned, Ryan Christie, this could be Aberdeen's best shot at the title yet.

HIBERNIAN:Neil Lennon's men, who have just won promotion from the second division, look a real threat this season. Anthony Stokes, John Mcginn and Dylan Mcgeough will certainly be the key players for the Hibs this year with star man Jason Cummings moving to Nottingham Forest down south.

Lennon has key experience having already won the Scottish Premiership as a player and manager with Celtic. He also reached the 2003 UEFA Cup Final with Celtic and has already shown that this Hibs side is a force to be reckoned with. The club have endured a tough time over the past few years playing in the second division which has been at a particularly high standard of late, yet they still managed to gain promotion and win the 2016 Scottish Cup!

Honourable mentions who could also dethrone Celtic go to Hearts, St Johnstone and Partick Thistle. Someone other than Celtic winning the Scottish Premier League would be a strange sight and might not happen for a while - Celtic really are head and shoulders above all other Scottish clubs in every way.

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